Black screen after muting

llllll001111 · Apr 25, 2024

I'm on PNY RTX 4080 super, an AMD R7 7600x CPU and Windows 10 22H2, connecting hdmi with 7680*4320 (8k) resolution 60hz to TV, whenever i turn volume to 0 the screen goes blank or glitches.
Any help would be appreciated!
What I tried:
1. change resolution to 4k 120hz, the problem is solved;
2. change some other drivers, not useful;
3. switch to another graphics card with 8k capabilty, useful;
4. change the display mode of TV, not useful;
5. change the color setting, like RGB/YUV and bit depth, not useful;
6. switch a cable, preparing
7. switch to another main board bios, preparing

P4-630 · Apr 25, 2024

So you got an 8K TV?...

Marcus L · Apr 25, 2024

P4-630 said:
So you got an 8K TV?...

Samsung have some QLED 8K TV's in the £2k bracket

My bet is the HDMI cable is it a 2.1 48Gbps cable? I didn't even know they went up to that kind of resolution tbh, either that or HDCP perhaps?

pressing on · Apr 25, 2024

Marcus L said:
Samsung have some QLED 8K TV's in the £2k bracket

My bet is the HDMI cable is it a 2.1 48Gbps cable? I didn't even know they went up to that kind of resolution tbh, either that or HDCP perhaps?

An Active 8K Fiber Optic HDMI Cable may be the solution.

jesdals · Apr 25, 2024

Could there be an issue with the AMD GPU in the cpu and a AMD HDMI sound unit thats giving trouble?

llllll001111 · Apr 26, 2024

P4-630 said:
So you got an 8K TV?...

Yes, it's a Sony 75Z9k

jesdals said:
Could there be an issue with the AMD GPU in the cpu and a AMD HDMI sound unit thats giving trouble?

It's an Nvidia GPU, with AMD CPU. Will try disabling AMD soundcard though.

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Black screen after muting

llllll001111

New Member

P4-630

Marcus L

pressing on

jesdals

llllll001111

New Member